apogee

英 ['?p?d?i?] 美['?p?d?i]

近義詞altitude

反義詞

暢通詞匯GRE

1. 遠(yuǎn)離地球。

apogee 遠(yuǎn)地點(diǎn)

前綴apo-, 離開，遠(yuǎn)離。詞根ge, 地，見geology, 地質(zhì)學(xué)。

apogee: apogee: [17] In its original, literal sense, a planet’s or satellite’s apogee is the point in its orbit at which it is furthest away from the Earth; and this is reflected in the word’s ultimate source, Greek apógaios or apógeios ‘far from the Earth’, formed from the prefix apo- ‘a(chǎn)way’ and gē ‘earth’ (source of English geography, geology, and geometry).

From this was derived a noun, apógaion, which passed into English via Latin apogeum or French apogée. The metaphorical sense ‘culmination’ developed in the later 17th century. The opposite of apogee, perigee [16], contains the Greek prefix peri- ‘a(chǎn)round’, in the sense ‘close around’, and entered English at about the same time as apogee.
=> geography, perigee
apogee (n.): "point at which the moon is farthest from the earth," 1590s, from French apogée, from Latin apogaeum, from Greek apogaion, neuter adjective, "away from the earth," a term from Ptolemaic astronomy, from apo "off, away" (see apo-) + gaia/ge "earth" (see Gaia). Adjective forms are apogeal, apogean.

1. The Alliance for Progress reached its apogee during the first half of the decade.: 這十年中的前五年是進(jìn)步聯(lián)盟邁向頂峰的時(shí)期。

2. The orbit of the artificial satellite has an apogee of 200 miles from the earth.: 這個(gè)人造衛(wèi)星的軌道,其最遠(yuǎn)點(diǎn)在離地球200英里的地方.

3. Particularly well equipped are the apogee telescopes.: 裝備特別好的是遠(yuǎn)地點(diǎn)望遠(yuǎn)鏡.

5. The farthest point on lunar orbit is called apogee.: 而繞月軌道里地球最遠(yuǎn)的點(diǎn)則為遠(yuǎn)地點(diǎn).